Gradle plugin in multi-module project seems to be ignoring configurations

Description

I have a multi-module gradle build where I use the OpenAPI generator to generate the spring model in one module (:api:model) and generate the server-side API in another (:api:interface). This worked fine in gradle 6.5. In gradle 6.6 and later, this no longer works.

openapi-generator version

4.3.1, 5.0.0

Steps to reproduce

Attached is a sample project that demonstrates the issues:

Module :api:model should just generate the Response class in build\generated-java\src\main\java. Instead, it also generates the V1Api class.

Module :api:interface relies on :api:mode; and should just generate the interface. Both are generated.

You can see this when you run "gradlew clean build". The build fails to compile because :api:model doesn't have the dependencies needed to compile V1Api because it shouldn't be generated at all.

You can see it working in gradle 6.5 by switching versions:

gradlew wrapper --gradle-version=6.5
gradlew clean build

...and failing in gradle 6.6:

gradlew wrapper --gradle-version=6.6
gradlew clean build

gradle_issue.zip

Start with the attached gradle_issue.zip sample project and run “gradlew clean build” using Gradle 6.5, then 6.6. Inspect generation in :api:model and :api:interface; done means :api:model generates only Response and :api:interface generates only the server-side interface, with the build compiling successfully.